The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 2002
Filed:
Apr. 29, 1996
Applicant:
Inventors:
Mohamed E. Labib, Princeton, NJ (US);
Brian H. Chollar, Falls Church, VA (US);
G. Mohammed Memon, Sterling, VA (US);
Assignee:
The United States of America as represented by the Secretary of Transportation, Washington, DC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10C 1/00 ; C10C 3/00 ; C10G 7/306 ; C08L 9/500 ;
U.S. Cl.
CPC ...
C10C 1/00 ; C10C 3/00 ; C10G 7/306 ; C08L 9/500 ;
Abstract
A compatibilizer and process for use in making crumb rubber modified asphalt. The compatibilizer causes the crumb rubber to completely interact with the asphalt, thereby improving the rheological properties of the asphalt and reducing the tendency of pavement made with the asphalt to ravel. The compatibilizer has as its reactive component one or more glycidyl groups; its polymeric backbone can be ethylenic, styrenic, or acrylic or ethylene vinyl acetate (EVA).